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go/src/net/sendfile_stub.go

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io, net, http: sendfile support Speeds up static fileserver, avoiding kernel/userspace copies. Numbers: downloading 14 MB AppEngine Go SDK with ab (Apache Bench) with 5 threads: Before/after numbers: CPU: user 0m3.910s sys 0m23.650s -> user 0m0.720s sys 0m4.890s Time taken for tests: 8.906 seconds -> Time taken for tests: 8.545 seconds Percentage of the requests served within a certain time (ms) 50% 44 66% 45 75% 46 80% 46 90% 48 95% 51 98% 59 99% 71 100 74 (longest request) -> 50% 42 66% 43 75% 43 80% 44 90% 46 95% 57 98% 62 99% 63 100% 64 (longest request) R=iant, gary.burd, rsc, bradfitz CC=golang-dev https://golang.org/cl/4543071
2011-05-25 11:15:26 -06:00
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
syscall, net: use sendfile on Solaris Updates #5847. Change-Id: Ic93f2e5f9a6aa3bd49cf75b16474ec5e897d17e1 Reviewed-on: https://go-review.googlesource.com/7940 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Minux Ma <minux@golang.org> Reviewed-by: Rob Pike <r@golang.org>
2015-03-23 06:51:12 -06:00
// +build darwin nacl netbsd openbsd
build: add build comments to core packages The go/build package already recognizes system-specific file names like mycode_darwin.go mycode_darwin_386.go mycode_386.s However, it is also common to write files that apply to multiple architectures, so a recent CL added to go/build the ability to process comments listing a set of conditions for building. For example: // +build darwin freebsd openbsd/386 says that this file should be compiled only on OS X, FreeBSD, or 32-bit x86 OpenBSD systems. These conventions are not yet documented (hence this long CL description). This CL adds build comments to the multi-system files in the core library, a step toward making it possible to use go/build to build them. With this change go/build can handle crypto/rand, exec, net, path/filepath, os/user, and time. os and syscall need additional adjustments. R=golang-dev, r, gri, r, gustavo CC=golang-dev https://golang.org/cl/5011046
2011-09-15 14:48:57 -06:00
io, net, http: sendfile support Speeds up static fileserver, avoiding kernel/userspace copies. Numbers: downloading 14 MB AppEngine Go SDK with ab (Apache Bench) with 5 threads: Before/after numbers: CPU: user 0m3.910s sys 0m23.650s -> user 0m0.720s sys 0m4.890s Time taken for tests: 8.906 seconds -> Time taken for tests: 8.545 seconds Percentage of the requests served within a certain time (ms) 50% 44 66% 45 75% 46 80% 46 90% 48 95% 51 98% 59 99% 71 100 74 (longest request) -> 50% 42 66% 43 75% 43 80% 44 90% 46 95% 57 98% 62 99% 63 100% 64 (longest request) R=iant, gary.burd, rsc, bradfitz CC=golang-dev https://golang.org/cl/4543071
2011-05-25 11:15:26 -06:00
package net
src/pkg/[n-z]*: gofix -r error -force=error R=golang-dev, bsiegert, iant CC=golang-dev https://golang.org/cl/5294074
2011-11-01 20:05:34 -06:00
import "io"
io, net, http: sendfile support Speeds up static fileserver, avoiding kernel/userspace copies. Numbers: downloading 14 MB AppEngine Go SDK with ab (Apache Bench) with 5 threads: Before/after numbers: CPU: user 0m3.910s sys 0m23.650s -> user 0m0.720s sys 0m4.890s Time taken for tests: 8.906 seconds -> Time taken for tests: 8.545 seconds Percentage of the requests served within a certain time (ms) 50% 44 66% 45 75% 46 80% 46 90% 48 95% 51 98% 59 99% 71 100 74 (longest request) -> 50% 42 66% 43 75% 43 80% 44 90% 46 95% 57 98% 62 99% 63 100% 64 (longest request) R=iant, gary.burd, rsc, bradfitz CC=golang-dev https://golang.org/cl/4543071
2011-05-25 11:15:26 -06:00
src/pkg/[n-z]*: gofix -r error -force=error R=golang-dev, bsiegert, iant CC=golang-dev https://golang.org/cl/5294074
2011-11-01 20:05:34 -06:00
func sendFile(c *netFD, r io.Reader) (n int64, err error, handled bool) {
io, net, http: sendfile support Speeds up static fileserver, avoiding kernel/userspace copies. Numbers: downloading 14 MB AppEngine Go SDK with ab (Apache Bench) with 5 threads: Before/after numbers: CPU: user 0m3.910s sys 0m23.650s -> user 0m0.720s sys 0m4.890s Time taken for tests: 8.906 seconds -> Time taken for tests: 8.545 seconds Percentage of the requests served within a certain time (ms) 50% 44 66% 45 75% 46 80% 46 90% 48 95% 51 98% 59 99% 71 100 74 (longest request) -> 50% 42 66% 43 75% 43 80% 44 90% 46 95% 57 98% 62 99% 63 100% 64 (longest request) R=iant, gary.burd, rsc, bradfitz CC=golang-dev https://golang.org/cl/4543071
2011-05-25 11:15:26 -06:00
return 0, nil, false
}
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